ADV7850 Recommended for New Designs The ADV7850 is a high quality, single chip, multiformat video decoder graphics digitizer with an integrated 4:1 multiplexed HDMI® receiver. This multiformat... Datasheet ADV7850 on Analog.com
Is external memory required with the ADV7850 if you are not going to use the composite ADC?
Follow the 'Unused' table in the hardware manual. In this case SDVDD = 1.8V. None of the pins must exceed Absolute maximum ratings.
